? coronatum Quatrefages, 1846 Dataset GBIF Backbone Taxonomy Rank UNRANKED Classification kingdom Animalia phylum Nemertea class Hoplonemertea order Monostilifera family Tetrastemmatidae genus Tetrastemma species Tetrastemma coronatum Name Homonyms ? coronatum Haug, 1898 ? coronatum Xi, 1974 ? coronatum d'Orbigny, 1842 ? coronatum Quatrefages, 1846 ? coronatum Fabre, 1955